
| Id | 835 |
| Type | electric |
| Species | Puppy Pokémon |
| Height | 0.3 m |
| Weight | 13.5 kg |
| Abilities | Ball Fetch Hidden Ability: Rattled |
| Local Ids | 46 (Sword/Shield) 155 (The Crown Tundra) |
| Catch rate | 255 |
| Base Friendship | 50 (normal) |
| Base Exp | 54 |
| Growth Rate | Fast |
| Egg Groups | Field |
| Gender | 50% male, 50% female |
| Egg cycles | 20 (4,884–5,140 steps) |
| HP | 59 | |
| Attack | 45 | |
| Defense | 50 | |
| Sp. Atk | 40 | |
| Sp. Def | 50 | |
| Speed | 26 | |
| Total | 270 |
| Level | Move | Type | Category | Power | Accuracy |
|---|---|---|---|---|---|
| 1 | Tackle | normal | physical | 40 | 100 |
| 1 | Tail Whip | normal | status | 0 | 100 |
| 5 | Nuzzle | electric | physical | 20 | 100 |
| 10 | Bite | dark | physical | 60 | 100 |
| 15 | Roar | normal | status | 0 | — |
| 20 | Spark | electric | physical | 65 | 100 |
| 26 | Charm | fairy | status | 0 | 100 |
| 30 | Crunch | dark | physical | 80 | 100 |
| 35 | Charge | electric | status | 0 | — |
| 40 | Wild Charge | electric | physical | 90 | 100 |
| 45 | Play Rough | fairy | physical | 90 | 90 |
Yamper does not learn any moves from evolution.
| Move | Type | Category | Power | Accuracy |
|---|---|---|---|---|
| Discharge | electric | special | 80 | 100 |
| Double-Edge | normal | physical | 120 | 100 |
| Flame Charge | fire | physical | 50 | 100 |
| Howl | normal | status | 0 | — |
| Sand Attack | ground | status | 0 | 100 |
| Move | Type | Category | Power | Accuracy |
|---|---|---|---|---|
| Rising Voltage | electric | special | 70 | 100 |
| TM | Move | Type | Category | Power | Accuracy |
|---|---|---|---|---|---|
| 14 | Thunder Wave | electric | status | 0 | 90 |
| 15 | Dig | ground | physical | 80 | 100 |
| 21 | Rest | psychic | status | 0 | — |
| 24 | Snore | normal | special | 50 | 100 |
| 25 | Protect | normal | status | 0 | — |
| 29 | Charm | fairy | status | 0 | 100 |
| 31 | Attract | normal | status | 0 | 100 |
| 39 | Facade | normal | physical | 70 | 100 |
| 40 | Swift | normal | special | 60 | — |
| 41 | Helping Hand | normal | status | 0 | — |
| 66 | Thunder Fang | electric | physical | 65 | 95 |
| 68 | Fire Fang | fire | physical | 65 | 95 |
| 76 | Round | normal | special | 60 | 100 |
| 80 | Volt Switch | electric | special | 70 | 100 |
| 85 | Snarl | dark | special | 55 | 95 |
| TR | Move | Type | Category | Power | Accuracy |
|---|---|---|---|---|---|
| 8 | Thunderbolt | electric | special | 90 | 100 |
| 9 | Thunder | electric | special | 110 | 70 |
| 20 | Substitute | normal | status | 0 | — |
| 26 | Endure | normal | status | 0 | — |
| 27 | Sleep Talk | normal | status | 0 | — |
| 32 | Crunch | dark | physical | 80 | 100 |
| 35 | Uproar | normal | special | 90 | 100 |
| 80 | Electro Ball | electric | special | 0 | 100 |
| 86 | Wild Charge | electric | physical | 90 | 100 |
| 90 | Play Rough | fairy | physical | 90 | 90 |
| English | Yamper |
|---|---|
| Spanish | Yamper |
| Italian | Yamper |
| Japanese | ワンパチ (Wanpachi) |
| German | Voldi |
| French | Voltoutou |
| Sword Shield | Route 2, Route 4, Giant's Mirror, Motostoke Riverbank, Stony Wilderness, Ballimere Lake |
|---|---|
| Brilliant Diamond Shining Pearl | Not available in this game |